UP 7512 (AC45CCTE) drew APU duty for a loaded coal train that just pulled into the UP's North Yard in Denver, and UP 6072 (AC4400CW-CTE) leaves the North Yard and heads toward the Moffat Tunnel wi... (more)

UP 6072 (AC4400CWCTE) passes beneath the signal block that has cleared it to head toward the foothills on the Moffat Tunnel Sub.